Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3b9e9d02875bb38…

MALICIOUS

PDF

187.2 KB Created: 2015-07-25 06:00:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7eb7f2c206384d7c9e088f883eaadbde SHA-1: 46d0f8e25e077d3a05958df91c6e86a5ccc06a8f SHA-256: f3b9e9d02875bb382bbef4b24d13eae99348c94b82e933cd7aacdeb546e92255
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector URL, indicating a likely attempt to lure the user to a malicious site. The file was generated by wkhtmltopdf, which is sometimes used to package malicious content. No scripts were extracted, but the presence of the malicious URL is a strong indicator of malicious intent.

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D0%B7%D0%B0%D0%B4%D0%B0%D0%BD%D0%B8%D1%8F+%D0%B4%D0%BB%D1%8F+%D0%B2%D1%82%D0%BE%D1%80%D0%BE%D0%B3%D0%BE+%D0%BA%D0%BB%D0%B0%D1%81%D1%81%D0%B0+%D0%BF%D0%BE+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC%D1%83+%D1%8F%D0%B7%D1%8B%D0%BA%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199377_otvetuy_na_testuy_po_filosofii_i_exam.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192443_kogda_pridut_rezultatuy_gia_po_matematike_2015.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197512_chit_tanki_onlayn_na_kristalluy_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024573.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24573 3556 bytes
font_01_sfnt_off000252f6.bin
3a13719346e156cb39740da053698ec6b2e04f5dbfe0307fb766c973cc8c628c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252F6 15744 bytes
font_02_sfnt_off00028384.bin
f388d38563e792762eb460b207fc94ea1223f3d0a36115f2197d496a7b0dd15a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28384 14720 bytes
font_03_sfnt_off0002aeef.bin
11bb83ba97bcc11262ee49dce2096a556b1c1ad87b6398a0624072ebf56e3d02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEEF 6896 bytes
font_04_sfnt_off0002c2e7.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2E7 6084 bytes
font_05_sfnt_off0002d27c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D27C 3752 bytes

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